<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>九九表</title>
    </head>
    <body>
        <script>
         for(var i = 1;i <=9;i++){
          for(var j = 1;j <= i;j++){
            document.write(j + "*" + i + "=" + i*j + " ");
          }
          document.write("<br>");
         }
          </script>
    </body>
</html>

